Two other brothers on the list are Matt and Dan Walsh, who own Chicago-based Walsh Construction Co. They are at 869th with $2 billion each.

Developer and casino owner Neil Bluhm is 687th with $2.5 billion. Morningstar Inc. CEO Joe Mansueto, who has committed much of his wealth to charity, is 796th with $2.2 billion. And William Wrigley Jr., heir to the gum fortune, is 687th with $2.5 billion.

J.B. Pritzker and his brother, Anthony Pritzker, are at 520th, each with $3.1 billion. Jennifer Pritzker, a real estate developer and businesswoman who heads the Pritzker Military Museum and Library, is 988th with $1.8 billion. Her sister Linda Pritzker, a philanthropist who lives in Montana, is also at 988th with $1.8 billion. Another sister, Karen Pritzker, who lives in Connecticut, is ranked 408th with $3.7 billion.

Hyatt Hotels chairmanThomas Pritzker is 580th with $2.9 billion. Musician and Californian Daniel Pritzker and John Pritzker, chairman of the board of Commune Hotels, are both at 869th with $2 billion. Philanthropist Nicholas Pritzker II is 1,210th with $1.4 billion.

Gigi Pritzker, Tom's sister, is 764th with $2.3 billion. She's also in the news today for securing funding for her film company. Penny Pritzker, sister of J.B., is also 764th with $2.3 billion. She, of course, is the U.S. secretary of commerce.

Insurance mogul Patrick Ryan is 1,092nd on the list at $1.6 billion. Michael Krasny, founder and former CEO of Chicago-based CDW Corp., is ranked 1,372nd with $1.2 billion.

Billionaires with Chicago connections include Edward Lampert, CEO of Hoffman Estates-based Sears Holdings Corp., who is ranked 551st with $3 billion. Joe Ricketts, the father of Cubs owner Tom Ricketts, is ranked 1,210th with $1.4 billion. Former Chicagoan and online game creator Mark Pincus is ranked 1,465 with $1.1 billion.

A record 1,645 billionaires made the 2014 list of the world's richest people.